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Best Free PDF Book Websites

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Reading is the best way to gain knowledge and know the people and the world around us better. Since PDF can be read with many devices and apps, so it would be good if we were able to download free PDF e-books to keep with us. That's why I think it's very necessary for me to crawled deep into the Internet to compile this list of best 34 free PDF books websites to either read PDF books online or download free e-books for your use.

1. Bookboon

Bookboon is currently the world's largest online publishing company of eBooks with over 75 million downloads of our textbooks and business e-books every year. It is focused on publishing student literature for engineering, IT and business students as well as short and practical business books. All their textbooks for students – and there are over a thousand – are completely free and can easily be downloaded in PDF format. They are all written exclusively for Bookboon by professors from the world's top universities.

bookboon1

2. Bookyards

Bookyards is a free on-line library with thousands of ebooks. It's goal is to be 'The Library to the World', in which books, education materials, information, reference materials, documents, and content will be provided freely to anyone who has an internet connection. By providing it in a format -PDF that will be both easy to use, useful and interesting.

bookyards1

3. Christian Classics Ethereal Library

Christian Classics Ethereal Library is a digital library that provides free electronic copies of Christian scripture and literature texts. The mission of the CCEL is simply to build up the church by making classic Christian literature widely available and promoting its use for edification and study by interested Christians, seekers and scholars. 

ccel

4. Digi Libraries

Digi Libraries offers a digital source of free eBooks for any taste, a vast range of titles in digital format and their free eBooks collection is growing all the time. To download free ebooks just browse the various categories on the left or simply use the search box. The aim of the site is to give quality, fast and required services for downloading and reading eBooks.

digi libraries

5. epubBooks

epubBooks is a self-publishing and ebook distribution platform. All ebooks on this site are free to download and can be read on all the popular eReaders. And the books published directly by epubBooks are mostly classic fiction, dating from the mid 20th century all the way back to Ancient Greece. 

6. Feedbooks

Feedbooks is a digital library and cloud publishing service for both public domain and original books . The main focus of the website is providing e-books with particularly high-quality typesetting in multiple formats, particularly EPUB, Kindle, and PDF formats. Every month, Feedbooks distributes millions of books to an increasingly growing community of readers.

feed books

7. FreeBookCenter

FreeBookCenter contains links to thousands of free online technical books. The books collection are either downloadable or can be viewed online. Their collections include core Computer Science, Electronics, Science, Medical and many more.

free-bookcenter

8. Free eBook

Free eBook provides various kinds of subjects are available like computers, Economics, Business, Fiction, Recepies, History, Marketing, Philosophy, Pshychology, Religious, Science, Travel, etc. If you want to download a book you should be a member of the website. So, be a member of the website and download whatever the book you like on the website. And most of the books are downloaded in pdf format.

free eBook

9. Girlebooks

Girlebooks is your resource for classic and contemporary ebooks by female writers. All the books are DRM free, hand-crafted and professionally formatted into multiple ebook formats to accommodate most ereaders. Once you download the ebook, it is yours forever no matter what ereader you use to read it.

girlebooks

10. Library of Congress

Library of Congress is the largest library in the world, with millions of books, recordings, photographs, newspapers, maps and manuscripts in its collections. The Library is the main research arm of the U.S. Congress and the home of the U.S. Copyright Office.

11. Many Books

Many Books was established in 2004 with the vision to provide an extensive library of books in digital format for free. Many of the early eBooks are from the Project Gutenberg archives, which means you will be able to find a lot of classics on the site. Now Manybooks has grown into a platform where self-publishing authors have the opportunity to introduce their work and new books are uploaded to the site daily.

12. Liberty Fund

Liberty Fund is a private, educational foundation to encourage the study of the ideal of a society of free and responsible individuals. The Foundation develops, supervises, and finances its own educational activities to foster thought and encourage discourse on enduring intellectual issues pertaining to liberty.

library of congress

13. Open Library

Open Library is an online project intended to create "one web page for every book ever published". Its book information is collected from the Library of Congress, other libraries, and Amazon.com, as well as from user contributions through a Wiki-like interface. It provides access to many public domain and out-of-print books, which can be read online.

open library

14. Planet eBook

Planet eBook is the home of free classic literature! With the mobile-friendly design and multi-format eBooks, Planet eBook attempts to make their collection of eBooks available on all devices. Their goal is to publish a small selection of high-quality eBooks allowing readers to enjoy reading a book without having to pay for it. 

planet eBook

15. Project Gutenberg

Project Gutenberg was the first provider of free eBooks. The project tries to make these as free as possible, in long-lasting, open formats that can be used on almost any computer. The releases are available in plain text, HTML, PDF, EPUB and MOBI. Now Project Gutenberg reached 57,000 items in its collection of free eBooks.

project gutenberg

16. BuddhaNet

Buddhanet ebooks is a collection of buddhist electronic books. Here you will find extensive collection of eBooks that were created by the Buddha Dharma Education Association Inc. for BuddhaNet.Net. The collection covers a large range of topics, from childrens books to art and history, spanning Mayahayana, Theravada and other Buddhist traditions.

18. GoodReads

GoodReads is a "social cataloging" website that allows individuals to freely search its database of books, annotations, and reviews. Users can sign up and register books to generate library catalogs and reading lists. They can also create their own groups of book suggestions, surveys, polls, blogs, and discussions. It is a place where you can see what your friends are reading and vice versa.

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19. Kobo Books

kobo is a website that describes themselves as a "global leader in eReading which offers a world class platform for passionate readers" to find and download books. According to their website, KoboBooks.com offers "the best digital reading experience" to millions of customers in 190 different countries, with one of the largest catalogues of titles. 

kobo books

20. Free Books

Free Books is committed to helping users find the best free ebooks available online. If they don't have the book you are looking, you can feel free to contact them and they will be happy to try to find it for you or point you in the right direction to find what you are looking for. You can find downloadable e-books and textbooks in popular genres and topics such as christian books, audio books, horror, romance and many more.

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21. Loyal Books

Loyal Books is a free website to distribute public domain audio books and ebooks for free. Enjoy these free audio books and use the share button on LoyalBooks.com to tell your friends about all these great public domain ebooks and audio books. You'll always find the best collection of completely free public domain audiobooks and ebooks at Loyal Books.

loyal books3

22. Smashwords

Smashwords is the world's largest distributor of indie ebooks. They make it free and easy for any author or publisher to publish and distribute ebooks. The Smashwords Store provides an opportunity to discover new voices in all categories and genres of the written word. Once you register, the site offers useful tools for search, discovery and personal library management. Most of our books are affordably priced and multi-format. Over 70,000 of our books are priced at free.

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23. Bookrixbooks

Bookrixbooks is a free self-publishing platform that offers eBook distribution services to independent writers. And the users can share their writing, connect with other readers, and discover new books all in one place. The eBook download is easy. You will find a button to download your free eBook. Their eBooks are delivered in epub format, which can be read on almost every popular tablet, smartphone and eReader.

24. Google Play Books

Google Play Books is an ebook digital distribution service operated by Google. Users can purchase and download ebooks and audiobooks from Google Play, which offers over five million titles, with Google claiming it to be the largest ebooks collection in the world. All the books are available in the PDF or EPUB file formats. 

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25. FreeComputerBooks

FreeComputerBooks consists of a huge collection of Free online Computer, Programming, Mathematics, Engineering, and Technical Books, Lecture Notes and Tutorials. It is very well categorized by topics, with 13 top level categories, and over 200 sub-categories. It has both pattern and keywords search engines for you to find the titles quickly. The keywords search engine is powered by Google. All the items in this website are just Hyperlinks to other web pages all over the world. Therefore, everything in this website is 100% Free.

26. FreeTechBooks

FreeTechBooks lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available over the Internet, as they are hosted on websites that belong to the authors or the publishers. In another word, they don't host the books. The website simply provide links to the books in PDF or HTML format available at the authors or the publishers websites.

27. Planet Publish

Planet Publish caters to anyone and everyone with an interest in eBooks–the books themselves have been taken from their very own Planet PDF website which caters for professional Web or print publishers seeking appropriate tools, to rank beginners wondering exactly what PDF stands for.

28. PDF Drive

PDF Drive is a free search engine which allows you to search, preview and download millions of PDF files into your devices. Their crawlers are constantly scanning the world wide web to add PDF files to PDF Drive’s archive. So the website is constantly growing while being consistently and efficiently updated. In this way, the PDF Drive library stays up-to-date, while continuously growing and offering an enormous database to search.

pdf drive

29. GetFreeEbooks

GetFreeEbooks is a site that brings both authors and readers into the world of free legal ebooks. Authors with their ebooks will benefit greatly from the large community of readers and the readers will in return will have lots of materials to read to their hearts' content. The website's mission is to create a central hub of free legal ebooks from various genres and categories, providing resources and other useful information for both authors and readers.

Free eBook Websites
Formats
Category
PDF
University and college texbook
PDF
All Genre
PDF, Text, DOC
Religion
PDF, TXT, Mobi
All Genre
ePub, Kindle
All Genre
PDF, ePub, Mobi
All Genre
PDF
Computer, electronic and science
PDF, ePub, Kindle, TXT
All Genre
PDF, ePub, Kindle, TXT, PDB
Women authors only
Web, PDF
Historical books of America
All format
Classical
PDF, TXT
Liberty, limited constitutional government, and the free market
PDF, ePub
Classic, Romance, Poets and etc
PDF, ePub, Mobi
From George Orwell to Charles Dickens, famous classicals
Text, PDF, ePub, Kindle
All out-of-copyright books
PDF, HTML
Classic English works
PDF
Introduction to Islam and Modern Muslim
PDF
General Buddhism, Meditation, History, Arts and Children
PDF
Buddhist Books and Dharma Talks
PDF
All Genre
PDF, ePub
All Genre
PDF
Computer, finance, etc
PDF, DOC
All Genre
HTML, Epub, Kindle, TXT
Fiction
PDF, ePub, Mobi
All Genre
ePub
Fiction
PDF, ePub
All Genre
PDF
Computer, Mathematics and Technical Books, etc.
PDF
Computer Science Books, Textbooks, and Lecture Notes
PDF
Classic Books
Kindle, PDF
All Genre
PDF, ePub, Mobi
All Genre

Bonus: How to Convert eBooks to PDF?

Maybe you have noticed that some websites also provide epub, TXT, Mobi and HTML format, but you only want to have the PDF file. Don't worry, as long as your books downloaded from the above websites are DRM free, you can use Epubor Ultimate software to convert to PDF for free. By the way, Epubor Ultimate can also help you convert the encrypted books purchased from mainstream ebook store, like Amazon, Google Play Books, Kobo and Nook books, etc... to PDF if you buy the license.

     

Conclusion

Above is the complete list of best 34 free PDF book websites. From now on, you can immerse yourself in those free books. Hope you enjoy it!

author

Hillary Zhang works for Epubor and writes articles about eBooks and eReaders. She seeks the methods to read eBooks more freely and wants to share all she has got with you.

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